Transmission Expansion Planning in Deregulated Power ... - tuprints

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Transmission Expansion Planning in Deregulated Power ... - tuprints

5 Market Based Transmission Expansion Planning 69

5.3.2 Case 2: There Is Non-random Uncertainty

In this case it is assumed that the following non-random uncertainties have been identified by

planners:

• A generator may be added at bus 10 of the network.

• An IPP may be added at bus 16 of the network.

• Load of bus 24 may be change.

Characteristics new generator, IPP, and load are given in tables 5.11 and 5.12. To take into

account these non-random uncertainties in transmission expansion planning, the following

scenarios are defined:

• Scenario 1: base case (scenario which is shown in tables 5.3 and 5.4)

• Scenario 2: base case plus the new generator

• Scenario 3: base case plus the load change

• Scenario 4: base case plus the IPP

• Scenario 5: base case plus the new generator and load change

• Scenario 6: base case plus the new generator and IPP

• Scenario 7: base case plus the load change and IPP

• Scenario 8: base case plus the new generator, load change, and IPP

It is assumed that all above scenarios have the same occurrence degree. SML, WGD, and

ACC are used as planning criterion. In other word, SML, WGD, and ACC are used as cost

function of risk analysis.

Table 5.13 shows the result of planning under SML criterion. In this table rows 1-4 show SV,

number of candidates (NC), minimax regret plan (MRP), and capacity of minimax regret plan

(CMP) at different stages of planning. Rows 5-12 show the values of SML at different

scenarios and different stages of planning when SML is used as planning criterion. Rows 13-

20 show the values of WGD at different scenarios and different stages of planning when SML

Table 5.11 – Characteristics of uncertain new generator and IPP

Type Bus No. Min Power (MW) Max Power (MW) PDF of Bid ($/MWhr) Unavailability

Gen. 10 0 150 N~(11, 1.2) 0.02

IPP 16 0 N~(80, 20) N~(13, 1.5) 0.02

Table 5.12 - Characteristics of uncertain new load

Bus No. Min Power (MW) PDF of Load (MW) Bid ($/MWhr) Unavailability

24 0 N~ (50, 10) 17 0.05

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